List of top Physics Questions on Waves asked in MHT CET

An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed that two successive nodes are separated by 34 cm. The velocity of sound in air is:

An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed that two successive nodes are separated by 34 cm. The velocity of sound in air is:

In a stationary wave, the distance between a node and the adjacent antinode is:

In a stationary wave, the distance between a node and an adjacent antinode is:

In a stationary wave, what is the distance between a node and an adjacent antinode?

A particle is executing S.H.M. of amplitude 'A'. When the potential energy of the particle is half of its maximum value during the oscillation, its displacement from the equilibrium position is

Graph shows variation of stopping potential with frequency of incident radiation on a metal plate. The value of Planck's constant is [e = charge on photoelectron]

Two point charges $+10\mu C$ and $4\mu C$ are placed 10 cm apart in air. The work required to be done to bring them 2 cm closer is ($\frac{1}{4\pi\epsilon_0} = 9 \times 10^9$ SI units)

The pressure on a square plate is measured by measuring the force acting on the plate and length of the sides of the plate. The maximum error in the measurement of force and length are respectively 4% and 2%, the percentage error in the measurement of pressure is

An open organ pipe and closed organ pipe of same length produce \(2\) beats per second in fundamental mode. The length of open pipe is made half and that of closed pipe is doubled. The number of beats produced per second will be:

In a photoelectric experiment, if the intensity of incident light is doubled and the frequency is kept slightly greater than threshold frequency, then the saturation photoelectric current

The ratio of angular momentum \(L\) of an electron to the magnetic dipole moment \(\vec{\text{m}}_{\text{orb}}\) is ( '\(m\)' is mass of electron, '\(e\)' is charge on electron)

A series LCR circuit is connected to an a.c. source of \(230\text{ V}, 50\text{ Hz}\). The circuit contains resistance of \(80\Omega\), inductive reactance \(70\Omega\) and capacitive reactance \(130\Omega\). The power factor of the circuit is \(x\). The value of \(x\) is

If \(\vec{F} = (5\hat{i} - 10\hat{j})\) and \(\vec{r} = (4\hat{i} - 3\hat{j})\), then the torque acting on the object will be

An open organ pipe and closed organ pipe of same length produce \(2\) beats per second in fundamental mode. The length of open pipe is made half and that of closed pipe is doubled. The number of beats produced per second will be:

A coil has inductance $2 \text{ H}$. The ratio of its reactance when it is connected first to an a.c. source and then to a d.c. source is

Earth is assumed to be a charged conducting sphere having volume V and surface area A. The capacitance of the earth in free space is (\( \varepsilon_0 = \) permittivity of free space)}

A solid cylinder of mass ' \( M \) ' and radius ' \( R \) ' is rotating about its geometrical axis. A solid sphere of same mass and same radius is also rotating about its diameter with an angular speed half that of the cylinder. The ratio of the kinetic energy of rotation of the sphere to that of the cylinder will be}

A small spherical ball of radius ' r ' is rolling on a curved surface which is frictionless and has a radius of curvature ' R '. Its motion is simple harmonic. Then its time period of oscillation is proportional to ( g = acceleration due to gravity)}

An open organ pipe and closed organ pipe of same length produce \(2\) beats per second in fundamental mode. The length of open pipe is made half and that of closed pipe is doubled. The number of beats produced per second will be:

How much time does a particle at \( x = C \) take to go from the mean position to the extreme (maximum displacement) for the first time?

A particle on a string undergoes a transverse wave motion given by: \[ y = 5 \sin \left( 4 \pi t - \frac{\pi x}{2} \right) \] (All quantities in SI units.) How much time does a particle at \( x = 0 \) take to go from mean position to extreme (maximum displacement) for the first time?